TV Series
| Year | Title | Character | Information |
| 2018 | The Rookie | John Nolan | Read More |
| 2017 | A Series of Unfortunate Events | Jacques Snicket | Read More |
| 2017 | Brooklyn Nine-Nine | Mark Devereaux | Read More |
| 2017 | Rick and Morty | Cornvelious Daniel (voice) | Read More |
| 2017 | Santa Clarita Diet | Gary West | Read More |
| 2016 – 2017 | Modern Family | Rainer Shine | Read More |
| 2016 | Talking Dead | Himself | Read More |
| 2015 | Drunk History | Wernher Von Braun | Read More |
| 2015 | Kroll Show | Mountie McMinniman | Read More |
| 2015 | The Big Bang Theory | Himself | Read More |
| 2014 – 2016 | Gravity Falls | Preston Northwest (voice) | Read More |
| 2014 | Community (1 episode) |
Read More | |
| 2013 | Writers Guild of America Awards 2012 Host | Joel Larson / Joe Kidney / American Businessman Klaus (voices) | Read More |
| 2012 | American Dad! (2 episodes) |
Green Lantern (voice) Direct-to-video | Read More |
| 2012 | Robot Chicken DC Comics Special (TV/FILM) |
Green Lantern / Mr. Freeze (voice) | Read More |
| 2010 | The Venture Bros (Episode: “Bright Lights, Dean City”) |
Brown Widow (voice) | Read More |
| 2009 | Castle | Richard Castle | Read More |
| 2008/2007 | Desperate Housewives (11 episodes) |
Adam Mayfair | Read More |
| 2007 | One Life to Live (2 episodes) |
Joey Buchanan | Read More |
| 2007 | Drive | Alex Tulley | Read More |
| 2007 | Robot Chicken (Episode Losin’ the Wobble) |
Flash / Roger Brown / Worker | Read More |
| 2006 | Lost (Episode “I Do”) |
Kevin | Read More |
| 2003 | Buffy the Vampire Slayer (5 episodes) |
Caleb | Read More |
| 2003/2002 | Firefly | Captain Malcolm Reynolds | Read More |
| 2003 | Miss Match (6 episodes) |
Read More | |
| 2002 | Pasadena (3 episodes) |
Rev Glenn Collins | Read More |
| 2001 | King of the Hill (1 episode) |
Frisbee Guy | Read More |
| 2001 | Two Guys, a Girl and a Pizza Place | Johnny Donnelly | Read More |
| 1999 | The Outer Limits (1 episode) |
Michael Ryan | Read More |
| 1998 | Maggie Winters (1 episode) |
Ronald | Read More |
| — | Total Security (1 episode) |
Troy Larson | Read More |
| 1996 | Spin City | Guy | Read More |
| 1997 – 1994 | One Life to Live (2 episodes) |
Joey Buchanan | Read More |